#include <cstdio>

#define STRING_LENGTH 100

int main()
{
    char str1[STRING_LENGTH + 1] = {0}, 
         str2[STRING_LENGTH + 1] = {0}, 
         str3[STRING_LENGTH * 2 + 1] = {0};
    while (scanf("%s %s", str1, str2) != EOF) {
        int i;
        for (i = 0; i < STRING_LENGTH; i++) {
            if (str1[i] != '\0')
                str3[i] = str1[i];
            else
                break;
        }
        int j;
        for (j = 0; i < STRING_LENGTH * 2 && j < STRING_LENGTH; i++, j++) {
            if (str2[j] != '\0')
                str3[i] = str2[j];
            else
                break;
        }

        str3[i] = '\0';
        printf("%s\n", str3);   
    }   
}